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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Intel Corporation
*/
#ifndef _BPF_H_
#define _BPF_H_
#include <rte_bpf.h>
#include <sys/mman.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_BPF_STACK_SIZE 0x200
struct rte_bpf {
struct rte_bpf_prm prm;
struct rte_bpf_jit jit;
size_t sz;
uint32_t stack_sz;
};
extern int bpf_validate(struct rte_bpf *bpf);
extern int bpf_jit(struct rte_bpf *bpf);
#ifdef RTE_ARCH_X86_64
extern int bpf_jit_x86(struct rte_bpf *);
#endif
extern int rte_bpf_logtype;
#define RTE_BPF_LOG(lvl, fmt, args...) \
rte_log(RTE_LOG_## lvl, rte_bpf_logtype, fmt, ##args)
static inline size_t
bpf_size(uint32_t bpf_op_sz)
{
if (bpf_op_sz == BPF_B)
return sizeof(uint8_t);
else if (bpf_op_sz == BPF_H)
return sizeof(uint16_t);
else if (bpf_op_sz == BPF_W)
return sizeof(uint32_t);
else if (bpf_op_sz == EBPF_DW)
return sizeof(uint64_t);
return 0;
}
#ifdef __cplusplus
}
#endif
#endif /* _BPF_H_ */
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